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Computer Science MCQs with Answers

Computer knowledge is tested in jobs ranging from clerical posts to IT positions. Practice MCQs on computer fundamentals, hardware, software, MS Office, networking, internet, databases and programming concepts, and see your score as soon as you finish.

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Q231. What does AI stand for?

  1. Automated Internet
  2. Advanced Interface
  3. Artificial Intelligence
  4. Applied Information
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Correct answer: C. Artificial Intelligence

AI simulates human intelligence.

Q232. Which data type stores true or false values?

  1. Boolean
  2. Integer
  3. String
  4. Float
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Correct answer: A. Boolean

Boolean holds True/False.

Q233. What is a CLI?

  1. Central Line Interface
  2. Computer Line Interface
  3. Command Logic Interface
  4. Command Line Interface
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Correct answer: D. Command Line Interface

A CLI uses typed commands.

Q234. Which company developed Windows?

  1. Apple
  2. Microsoft
  3. Google
  4. IBM
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Correct answer: B. Microsoft

Windows is developed by Microsoft.

Q235. Which function key opens Help?

  1. F1
  2. F5
  3. F2
  4. F10
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Correct answer: A. F1

F1 opens Help.

Q236. Which of the following is a mobile operating system?

  1. Linux Mint
  2. Android
  3. Windows Server
  4. Unix
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Correct answer: B. Android

Android runs on smartphones.

Q237. Which statement is used to exit a loop immediately?

  1. break
  2. continue
  3. stop
  4. exit
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Correct answer: A. break

break leaves the loop.

Q238. Which command shows your current directory in Linux?

  1. pwd
  2. cwd
  3. ls
  4. cd
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Correct answer: A. pwd

pwd prints the working directory.

Q239. Which data structure is used for BFS (breadth-first search)?

  1. Heap
  2. Array
  3. Queue
  4. Stack
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Correct answer: C. Queue

BFS uses a queue.

Q240. Binary search works only on what kind of data?

  1. Text only
  2. Sorted data
  3. Numbers only
  4. Unsorted data
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Correct answer: B. Sorted data

Binary search requires sorted input.

Computer Science MCQs by exam

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